銆€銆€浼烘湇闆绘绶ㄧ⒓鍣ㄦ槸瀹夎鍦ㄩ浕姗熶笂鐢ㄤ締娓噺纾佹サ浣嶇疆鍜屼己鏈嶉浕姗熻綁(zhu菐n)瑙掑強杞�(zhu菐n)閫熺殑涓€绋偝鎰熷櫒锛屽緸鐗╃悊浠嬭唱(zh矛)鐨勪笉鍚屼締鍒�锛屼己鏈嶉浕姗熺法纰煎櫒鍙互鍒嗙偤鍏夐浕绶ㄧ⒓鍣ㄥ拰纾侀浕绶ㄧ⒓鍣�锛屽彟澶栨棆杞�(zhu菐n)璁婂鍣ㄤ篃绠椾竴绋壒娈婄殑浼烘湇绶ㄧ⒓鍣�銆�

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銆€銆€1)瑷�(sh猫)缃亱鍕曟帶鍒跺櫒鐨刢om鍙冩暩(sh霉)SETCOM(9600,8,1,2,1,14,0,1000)'vr鍜宮odbus锛岃秴鏅傛槸1000姣WA(20)MODBUSM_DES(1,1)'瑷�(sh猫)缃�485绔彛锛屽皪鏂圭珯铏�1

銆€銆€2)娓│閫氳▕閫ｆ帴MODBUSM_REGGET(4120,1,0)'璁€鍫辫浠ｇ⒓WAIT UNTIL MODBUSM_STATE <> 1'绛夊緟娑堟伅绲�(ji茅)鏉�?MODBUSM_STATE'鎵撳嵃閫氳▕绲�(ji茅)鏋淚F MODBUSM_STATE=0 THEN? "MODBUS PORT opened ok"ELSEIF MODBUSM_STATE=2 THEN? "MODBUS PORT timeout"ELSEIF MODBUSM_STATE=3 THEN?"error, MODBUS server NOT found"ENDIF

銆€銆€3)娣诲姞璁€鍙栫禃灏嶅€煎柈鍦堝鍦堜俊鎭▼搴忓苟鍚堟垚32bit鏁�(sh霉)鎿�(j霉)鐨勭敤鎴跺嚱鏁�(sh霉)GLOBAL SUB READ_ABS_POS()'read absolute position from 1014h and 1015hMODBUSM_REGGET($1014,2,single_pos)WA(200)WAIT UNTIL MODBUSM_STATE <> 1 'combine two 16-bit signed positions to a 32-bit signed position

銆€銆€IF VR(single_pos)<0 THENVR(abs_pos)=(65536+VR(single_pos))+(VR(single_pos+1)<<16)ELSEVR(abs_pos) = VR(single_pos) + (VR(single_pos+1)<<16)ENDIF?"鐣�(d膩ng)鍓嶇禃灏嶄綅缃槸" VR(abs_pos)END SUB

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